*{
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
    font-family: "微软雅黑";
}

body{
    
    background: #f5f8fa;
}
a{
    text-decoration: none;
}
header{
    background: #3097d1;
    height: 51px;
}
.container{
    width:1200px;
    margin: auto;
    display: flex;
}
header ul .active a{
    display: block;
    height: 51px;
}

header ul li{
    float: left;
    line-height: 51px;
    margin-right: 30px;
}
header ul img{
    height: 30px;
    padding-top: 16px;
}
header ul li a{
    color: #d1e1ea;
}
main{
    margin-bottom: 50px;
}
main .left{
    flex-grow: 0;
    flex-shrink: 0;
    flex-basis: 25%;
    /*background: red;*/
    margin-top: 30px;
}
main .left-top{
    text-align: center;
    border: 1px solid #d3e0e9;
    border-radius: 5px;
    background: #ffffff;
}
main .left-top .ice{
    width: 100%;
    height: 100%;
}
main .left-top .avat{
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 2px solid #fff;
    margin-top: -50px;
}
main .left-top h2{
    margin-bottom: 10px;
    color: #1e3948;
}
main .left-top .bit{
    font-size: 17px;
    margin-bottom: 20px;
    color: #737171;
}
main .left-center{
    margin-top:30px;
    border: 1px solid #d3e0e9;
    border-radius: 5px;
    padding-bottom: 25px;
    background: #ffffff;
}
main .left-center .last{
    width: 225px;
    margin: auto;
}
main .left-center h3{
    color: #1e3948;
    padding-top: 17px;
    padding-bottom: 20px;
}
main .left-center p{
    color: #737171;
    margin-bottom: 10px;
    font-size: 14px;
}
main .left-center p a{
    color: #30b1e5;
}
main .left-bottom {
    margin-top: 25px;
    height: 440px;
    border: 1px solid #d3e0e9;
    border-radius: 5px;
    padding-bottom: 25px;
    background: #ffffff;
}
main .left-bottom .over{
    width: 250px;
    margin: auto;
}
main .left-bottom .over h3{
    padding-top: 15px;
    padding-bottom: 10px;
    color: #1e3948;
}
main .left-bottom .over li{
    float: left;
    margin-right: 10px;
    margin-bottom: 10px;
}
main .left-bottom .over li a{
    display: block;
    height: 115px;
}
main .left-bottom .over img{
    width: 115px;
    height: 115px;
}
main .center{
    flex-grow: 0;
    flex-shrink: 0;
    flex-basis: 50%;
    margin-top: 30px;
    height: 1900px;
}
main .center .dave{
    width:545px;
    margin: auto;
    background: #ffffff;
    height: 860px;
    border: 1px solid #d3e0e9;
    border-radius: 5px;
}
main .center .dave .among{
    width: 500px;
    margin: auto;
}
main .center .dave .among .among-top{
    height: 860px;

}
main .center .dave .among .among-top h3{
    padding-top: 30px;
    padding-bottom: 10px;
    color: #1e3948;
}
main .center .dave .among .among-top h3 span{
    float: right;
    font-weight: 300;
    color: #9db1cb;
}
main .center .dave .among .among-top p{
    font-size: 13px;
    margin-bottom: 15px;
}
main .center .dave .among .among-top ul{
    height: 210px;
    margin-bottom: 20px;
}
main .center .dave .among .among-top ul li{
    float: left;
}
main .center .dave .among .among-top ul li:last-child{
    float: right;
}
main .center .dave .among .among-top ul li a{
    display: block;
    height: 210px;
}
main .center .dave .among .among-top ul li img {
    width: 240px;
    height: 210px;
}
main .center .dave .among .among-top .text,main .center .dave .among .among-top .text-2{
    margin-top: 25px;
}
main .center .dave .among .among-top .text h4,main .center .dave .among .among-top .text-2 h4{
    font-weight: 300;
    font-size: 16px;
}
main .center .dave .among .among-top .text h4 span,main .center .dave .among .among-top .text-2 h4 span{
    font-weight: 900;
    color: #1e3948;
}
main .center .two .list{
    width:545px;
    margin: auto;
    background: #ffffff;
    border: 1px solid #d3e0e9;
    border-radius: 5px;
}
main .center .two .list h3,main .center .three .list h3{
    padding-top: 25px;
    padding-bottom: 10px;
    color: #1e3948;
}
main .center .two .list .test{
    width: 500px;
    margin: auto;
}
main .center .three .list{
    width:545px;
    margin: auto;
    border: 1px solid #d3e0e9;
    border-radius: 5px;
    background: #ffffff;
}
main .center .three .list .test{
    width:500px;
    margin: auto;
}
main .center .two .list h3 span,main .center .three .list h3 span{
    float: right;
    font-weight: 300;
    color: #9db1cb;
}
main .center .two .list p,main .center .three .list p{
    font-size: 14px;
    padding-bottom: 35px;
}
main .center .three .list img{
    width: 100%;
    margin-bottom: 35px;
}
main .center .three .list h4{
    font-weight: 300;
    font-size: 14px;
    padding-bottom: 30px;
}
main .center .three .list span{
    font-weight: 900;
}
main .right{
    flex-grow: 0;
    flex-shrink: 0;
    flex-basis: 25%;
    margin-top: 30px;
}
main .right .right-top{
    border: 1px solid #d3e0e9;
    border-radius: 5px;
    background: #ffffff;
}
main .right .right-top .next{
    width: 245px;
    margin: auto;
    padding-bottom: 15px;
}
main .right .right-top .next h3{
    padding-top: 18px;
    padding-bottom: 10px;
    color: #1e3948;
}
main .right .right-top .next img{
    width: 100%;
    margin-bottom:10px;
}
main .right .right-top .next h4{
    font-size: 14px;
    color: #1e3948;
}
main .right .right-top .next p{
    font-size: 15px;
    margin-bottom: 15px;
}
main .right .right-top .next a{
    padding: 9px 6px;
    display: block;
    width: 105px;
    border: 1px solid #2a88bd;
    border-radius: 5px;
    color: #2a88bd;
}
main .right .right-bottom{
    margin-top: 30px;
    border: 1px solid #d3e0e9;
    border-radius: 5px;
    background: #ffffff;
}
main .right .right-bottom .neat{
    width:245px;
    margin: auto;
}
main .right .right-bottom .neat-top h3{
    margin-bottom: 15px;
    padding-top: 18px;
    color: #1e3948;
}
main .right .right-bottom .neat .one{
    margin-bottom: 20px;
}
main .right .right-bottom .neat .one,main .right .right-bottom .neat .two{
    height: 100px;
}
main .right .right-bottom .neat .one img,main .right .right-bottom .neat .two img{
    width:100px;
    border-radius: 50%;
    float: left;
}
main .right .right-bottom .neat .one h4,main .right .right-bottom .neat .two h4{
    font-size: 13px;
    width: 140px;
    float: left;
    margin-left: 5px;
    margin-bottom: 10px;
}
main .right .right-bottom .neat .one a,main .right .right-bottom .neat .two a{
    padding: 9px 10px;
    display: inline-block;
    border: 1px solid #2a88bd;
    border-radius: 5px;
    margin-left: 8px;
    color: #2a88bd;
}
main .right .right-bottom .neat .two{
    margin-bottom: 25px;
}
main .right .neat-bottom .list{
    width: 245px;
    margin: auto;
}
main .right .neat-bottom{
    border: 1px solid #d3e0e9;
    border-radius: 5px;
}
main .right .neat-bottom .list p{
    padding: 15px 0;
}
footer{
    text-align: center;
    padding: 50px 0;
}
footer{
    border-top:1px solid #d3e0e9;
}
footer .aa{
    width: 100%;
}
footer .aa p {
    text-align: center;
    margin-bottom: 10px;
}
footer .aa p a{
    color: #4e9ad1;
}
footer .i{
   color: #4e9ad1;
    margin-right: 20px;
}

footer .container{
    flex-direction: column;
    display: block;
}

.clearfix:before
.clearfix::after{
    content: "";
    display: table;
    clear: both;
}






@media (max-width: 800px) {
    .container{
        width:100%;
        display: block;
    }
    header ul li{
        margin-right: 10px;
    }
    main .center .dave{
        width:100%;
    }
    main .center .dave .among{
        width:100%;
    }
    main .center .dave .among .among-top ul li img{
        width:100%;
    }
    main .center .two .list,main .center .three .list{
        width: 100%;
    }

    main .center .two .list .test,main .center .three .list .test{
        width:80%;

    }
    main .center .two{
        margin-top: 0;
    }
    main .center .two .list h3{
        /*margin-top: 520px;*/
    }
    main .center .dave .among .among-top{
        width: 80%;
        margin: auto;
    }
    main .right .right-top{
        margin-top: 640px;
    }
    main .left-bottom .over img{
        width:100%;
    }
    main .left-bottom{
        height:845px;
    }
    main .left-bottom .over li{
        margin-right: 0;
    }
    main .center .dave{
        height: 1460px;
    }
    main .left-bottom .over{
        width:80%;
    }
    main .right .right-top .next{
        width:80%;
    }
}